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Finding the Fourth Proportional to 57,323.92, 79,105.89 and 31,828.96

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Solution

The fourth proportional to 57,323.92, 79,105.89 and 31,828.96 is: 43,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,323.92 : 79,105.89 = 31,828.96 : x
  2. Step 2: Convert to fraction form
    57,323.92/79,105.89 = 31,828.96/x
  3. Step 3: Cross multiply
    57,323.92x = 79,105.89 × 31,828.96
  4. Step 4: Simplify right side
    57,323.92x = 2,517,857,813.04
  5. Step 5: Solve for x
    x = 2,517,857,813.04/57,323.92
  6. Step 6: Final answer
    x = 43,923.34

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.